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2628979 is a prime number
BaseRepresentation
bin1010000001110101110011
311221120021121
422001311303
51133111404
6132203111
731226443
oct12016563
94846247
102628979
111536211
12a69497
13710812
144c6123
1536de54
hex281d73

2628979 has 2 divisors, whose sum is σ = 2628980. Its totient is φ = 2628978.

The previous prime is 2628953. The next prime is 2629001. The reversal of 2628979 is 9798262.

It is a happy number.

2628979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2628979 - 211 = 2626931 is a prime.

It is a d-powerful number, because it can be written as 25 + 63 + 221 + 8 + 92 + 72 + 96 .

It is not a weakly prime, because it can be changed into another prime (2628919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314489 + 1314490.

It is an arithmetic number, because the mean of its divisors is an integer number (1314490).

22628979 is an apocalyptic number.

2628979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628979 is an equidigital number, since it uses as much as digits as its factorization.

2628979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 2628979 is about 1621.4126556802. The cubic root of 2628979 is about 138.0158736904.

The spelling of 2628979 in words is "two million, six hundred twenty-eight thousand, nine hundred seventy-nine".